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RISThe Relation between Beltrami's Material Vorticity and Rossby–Ertel's Potential Vorticity
Publisher: American Meteorological Society
Abstract: It is shown that there is an exact correspondence between the scalar Rossby?Ertel's potential vorticity (PV) for a field ε, and the component of Beltrami's material vorticity along the ε-coordinate line (first equivalence ...
Determination of Atterberg Limits: Uncertainty and Implications
Publisher: American Society of Civil Engineers
Abstract: Arthur Casagrande made one of the most important contributions to Geotechnical Engineering; ordering and presenting clearly the existing differences between objectives for civil engineering soil classification and soil ...
Closure to “Determination of Atterberg Limits: Uncertainty and Implications” by Alvaro Gutiérrez
Publisher: American Society of Civil Engineers
An Explanation for the Curvature of the Atlantic Jet past the Strait of Gibraltar
Publisher: American Meteorological Society
Abstract: A consistent explanation for the anticyclonic curvature of the Atlantic jet as it passes through the Strait of Gibraltar and flows into the Mediterranean Sea (eastern side of the strait) is provided. The anticyclonic ...
The Stationary Frontal Wave Packet Spontaneously Generated in Mesoscale Dipoles
Publisher: American Meteorological Society
Abstract: Three-dimensional numerical simulations of rotating, statically and inertially stable, mesoscale flows show that wave packets, with vertical velocity comparable to that of the balanced flow, can be spontaneously generated ...
The Vorticity–Velocity Gradient Cofactor Tensor and the Material Invariant of the Semigeostrophic Theory
Publisher: American Meteorological Society
Abstract: A new derivation and interpretation of the semigeostrophic (SG) material invariant in the theory of geophysical flows is introduced. First, a generalized three-dimensional equation of the SG dynamics is established and the ...
Volume and Mass Transport across Isosurfaces of a Balanced Fluid Property
Publisher: American Meteorological Society
Abstract: This work provides the general theory of the volume and mass conservation in terms of its transport across surfaces (open or closed) defined by a constant value of an oceanographic property obeying a balance law. This fluid ...
Comments on the Recent Discussion Concerning the Article “Diathermal Heat Transport in a Global Ocean Model”
Publisher: American Meteorological Society
Abstract: A 2019 comment by Hochet and Tailleux and the corresponding reply by Holmes et al. discuss the volume and mass balance on a control volume bounded by a given isotherm and the ocean free surface. This note partly reconciles ...
Vertical Splitting of Vortices in Geophysical Dipoles
Publisher: American Meteorological Society
Abstract: The processes involved in the vertical splitting of vortices in geophysical dipoles, rotating and stably stratified, are investigated using a three-dimensional numerical model under the f-plane and Boussinesq approximations. ...
On Ertel’s Potential Vorticity Theorem. On the Impermeability Theorem for Potential Vorticity
Publisher: American Meteorological Society
Abstract: Potential vorticity (PV) is usually defined as α??·?grad?, where α is the specific volume, ? is vorticity, and ? is any quantity, usually a conserved one. The most common derivation of the PV theorem therefore uses the ...